The Collaborative International Dictionary of English v.0.48:
Hymenopteral \Hy`me*nop"ter*al\, Hymenopterous \Hy`me*nop"ter*ous\, a. (Zool.) Like, or characteristic of, the Hymenoptera; pertaining to the Hymenoptera. [1913 Webster]WordNet (r) 3.0 (2006):
hymenopterous adj 1: of or relating to insects of the order Hymenoptera